Source : Webster's Revised Unabridged Dictionary (1913)

Otalgia \O*tal"gi*a\, n. [NL., fr. Gr. ?; o'y^s, 'wto`s, the ear
   + ? pain: cf. F. otalgie.] (Med.)
   Pain in the ear; earache.

Source : WordNet®

otalgia
     n : an ache localized in the middle or inner ear [syn: {earache}]